2019 was a hectic year for the Brazilian aviation industry, with plenty of ups and downs. Even though the economy is doing good, with the country steadily recovering from the largest recession in its history, Brazilian airlines have faced several challenges this year. Each company faced its very own arduous conditions. However, all of them could count on a crucial tailwind; the Brazilian economy is back to a sustainable path, which heats the demand after years of continued struggles. Brazil's…